import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/users.vue'
import Rights from '../components/power/rights.vue'
import Roles from '../components/power/roles.vue'
import Cate from '../components/goods/Cate.vue'


Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/login' },
  {
    path: '/login',
    name: 'login',
    component: Login
  },
  {
    path: '/home',
    name: 'home',
    component: Home,
    // 实现首页的路由的重定向
    redirect: '/welcome',
    children: [
      {
      path: '/welcome',
      name: 'welcome',
      component: Welcome,
    },{
      path: '/users',
      name: '"users"',
      component: Users,
    },{
      path: '/rights',
      name: 'rights',
      component: Rights,
    },
    {
      path: '/roles',
      name: 'roles',
      component: Roles,
    },
    {
      path: '/categories',
      name: 'categories',
      component: Cate,
    }
  ]
  },
]

const router = new VueRouter({
  routes
})
// 挂载路由守卫
router.beforeEach((to, form, next) => {
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数  表示放行
  // next()  放行    next('/login')  强制跳转
  if (to.path == '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})
export default router
